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DC Generators

DC Generators
A triplex wave winding will have parallel paths.

4
None of the listed here
6
2

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DC Generators
In a cummulative compounded generator the shunt and series fields ______ each other.

None of the listed here
Sometime aid, sometime oppose
Oppose
Aid

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DC Generators
The nature of armature winding of a dc machine is decided by

Commutator pitch
Back pitch
None of the listed here
Front pitch

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DC Generators
The main factor which leads to unstable parallel operation of flat and over compounded generators is

unequal series field resistances
unequal number of turns in their series field windings
their rising voltage characteristics
unequal speed regulation of their primemovers

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DC Generators
Permeance is the reciprocal of

Resistance
Reluctance
Flux density
Ampere turns

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DC Generators
A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____

250 V
1500 V
360 V
60 V

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